#include <stdio.h>

int main(void)
{
    const int days[]={31,28,31,30,31,30,31,31,30,31};
    int index;
    for(index=0;index<sizeof days/sizeof days[0];index++)
        printf("Month %2d has %d days.\n",index+1,days[index]);
    return 0;
}
